(occur-find-match): New function.

(occur-next, occur-prev): Use it.

2 files changed, 18 insertions, 21 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 9f58dcccddc..65954541201 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2002-09-24  Juanma Barranquero  <lektu@terra.es>
+
+        * replace.el (occur-find-match): New function.
+        (occur-next, occur-prev): Use it.
+
 2002-09-23  Kenichi Handa  <handa@etl.go.jp>
 
         * international/quail.el (quail-completion): Be sure to scroll
diff --git a/lisp/replace.el b/lisp/replace.el
index f24a5fde9df..c2c39cbd219 100644
--- a/lisp/replace.el
+++ b/lisp/replace.el
@@ -544,36 +544,28 @@ Alternatively, click \\[occur-mode-mouse-goto] on an item to go to it.
       (select-window window)
       (goto-char pos))))
 
-(defun occur-next (&optional n)
-  "Move to the Nth (default 1) next match in an Occur mode buffer."
-  (interactive "p")
+(defun occur-find-match (n search message)
   (if (not n) (setq n 1))
   (let ((r))
     (while (> n 0)
-      (if (get-text-property (point) 'occur-point)
-          (forward-char 1))
-      (setq r (next-single-property-change (point) 'occur-point))
+      (setq r (funcall search (point) 'occur-match))
+      (and r
+           (get-text-property r 'occur-match)
+           (setq r (funcall search r 'occur-match)))
       (if r
-          (goto-char r)
-        (error "No more matches"))
+          (goto-char r)
+        (error message))
       (setq n (1- n)))))
 
+(defun occur-next (&optional n)
+  "Move to the Nth (default 1) next match in an Occur mode buffer."
+  (interactive "p")
+  (occur-find-match n #'next-single-property-change "No more matches"))
+
 (defun occur-prev (&optional n)
   "Move to the Nth (default 1) previous match in an Occur mode buffer."
   (interactive "p")
-  (if (not n) (setq n 1))
-  (let ((r))
-    (while (> n 0)
-
-      (setq r (get-text-property (point) 'occur-point))
-      (if r (forward-char -1))
-
-      (setq r (previous-single-property-change (point) 'occur-point))
-      (if r
-          (goto-char (- r 1))
-        (error "No earlier matches"))
-
-      (setq n (1- n)))))
+  (occur-find-match n #'previous-single-property-change "No earlier matches"))
 
 (defcustom list-matching-lines-default-context-lines 0
   "*Default number of context lines included around `list-matching-lines' matches.